Rear axle differential clearance adjustment?

There are two places where the clearance can be adjusted: 1, where the tooth cone is connected with the transmission seat. As experts say, this is to adjust the front and rear clearance, and the gasket is located between the bearing and the tooth cone to increase the clearance, and vice versa; 2. The position of the planetary gear can adjust the clearance, that is, insert the half shaft into the heads of the two pinions and use the keyways of the two pinions backwards, but the gasket in this place is special and cannot be made by itself; 3. As for the gap, of course, the smaller the better. It is good to turn by hand without any resistance. This is just a kind of strength. Million car purchase subsidy